23840325997 has 4 divisors (see below), whose sum is σ = 23953313536. Its totient is φ = 23727338460.

The previous prime is 23840325991. The next prime is 23840326007. The reversal of 23840325997 is 79952304832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23840325997 - 2¹⁵ = 23840293229 is a prime.

It is a super-2 number, since 2×23840325997² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23840325991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56493453 + ... + 56493874.

It is an arithmetic number, because the mean of its divisors is an integer number (5988328384).

Almost surely, 2^23840325997 is an apocalyptic number.

It is an amenable number.

23840325997 is a deficient number, since it is larger than the sum of its proper divisors (112987539).

23840325997 is a wasteful number, since it uses less digits than its factorization.

23840325997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112987538.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 23840325997 in words is "twenty-three billion, eight hundred forty million, three hundred twenty-five thousand, nine hundred ninety-seven".